Digital mixer



FIG. 1 is a front elevation view of a digital mixer showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a rear elevation view of a second embodiment thereof; and,

FIG. 8 is a left side elevation view of a second embodiment thereof.

The top and bottom view of the second embodiment are identical the top and bottom views of the first embodiment.

The undisclosed right and front views of the second embodiment form no part of the claimed design. 

The ornamental design for a digital mixer, as shown and described. 